Cosmo COS-668ICS750 Lumin 30 in
#3 in IslandFull review
A glass island hood for a standard cooktop on an island. Open islands can benefit from more airflow.
Amazon $380.69$380.69
The Cosmo COS-668ICS750 Lumin 30 in is the better range hood overall, rated 3.4 to 3.4.
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Tieasy USGI1775B 30 in
#6 in IslandFull review
An affordable island hood with strong airflow and gesture control. The listing is thin on noise and warranty.
Amazon $379.98$379.98
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every island range hood; a clear win is highlighted. How we rank explains each one.
| Factor weight | Cosmo COS-668ICS750 Lumin 30 in | Tieasy USGI1775B 30 in |
|---|---|---|
| Overall rating | 3.4/5 | 3.4/5 |
| Airflow 20% | 92 380 CFM | 93 700 CFM, more than a home range needs |
| Quiet at full speed 20% | 50 noise at full speed not published (neutral score used) | 50 noise at full speed not published (neutral score used) |
| Quiet at low speed 15% | 50 45 dB | 50 noise at low speed not published (neutral score used) |
| Features 20% | 55 dishwasher-safe steel filters, LED lighting, 3 or more speeds, converts to ductless | 55 LED lighting, 3 or more speeds, delayed shut-off, converts to ductless, gesture, remote or app control |
| Price 15% | 42 $380.69 | 42 $379.98 |
| Warranty 10% | 25 2-year warranty | 0 warranty not published, scored as none |
Specifications
| Cosmo COS-668ICS750 Lumin 30 in | Tieasy USGI1775B 30 in | |
|---|---|---|
| Airflow and noise | ||
| Max airflow | 380 CFM | 700 CFM |
| Noise at low speed | 45 dB | - |
| Fan speeds | 3 | 3 |
| Installation | ||
| Mount | Island | Island |
| Width | 30 in | 30 in |
| Venting | Ducted or ductless | Ducted or ductless |
| Duct connection | 6 in round | - |
| Power | Plug-in | - |
| Airflow cap for make-up air codes | No | No |
| Features | ||
| Grease filters | Steel baffle | - |
| LED lighting | Yes | Yes |
| Controls | Touch | Touch, gesture |
| Delayed shut-off | No | Yes |
| Automatic fan speed | No | No |
| Build | ||
| Weight | 48.5 lb | - |
| Warranty | 2 years | - |